Sandeep Dinesh covers the use cases for NoSQL databases before diving into the features of Google Cloud Datastore and wraps up with a live Python and Datastore demo.
Google Cloud Datastore Video
You can find Sandeep on Twitter @sandeepdinseh and examples like the one used tonight on https://github.com/
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Sandeep here. The reason the query didn’t work is because story_id we get from the key of the Story is a number, and the storyid field in the Comment kind is a string in Datastore. Just change the filter to unicode(story_id) and it will work. Updated code will be pushed to Github!